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(wongpunga) PPC, Phra Soponphattanabundit, Phrakhru Sudhikhambhirayan. AN APPROACH OF TRAINING ACTIVITY APPLICATION TO PROMOTE VIRTUE AND ETHICS FOR SECONDARY SCHOOL STUDENTS OF KANLAYANAWAT SCHOOL KHON KAEN PROVINCE. JBER [internet]. 2020 Jun. 30 [cited 2026 Oct. 7];6(1):132-47. available from: https://so06.tci-thaijo.org/index.php/jber/article/view/243030